/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.service.impl;

import me.zhengjie.domain.BorrowList;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.repository.BorrowListRepository;
import me.zhengjie.service.BorrowListService;
import me.zhengjie.service.dto.BorrowListDto;
import me.zhengjie.service.dto.BorrowListQueryCriteria;
import me.zhengjie.service.mapstruct.BorrowListMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author ...
* @date 2020-11-08
**/
@Service
@RequiredArgsConstructor
public class BorrowListServiceImpl implements BorrowListService {

    private final BorrowListRepository borrowListRepository;
    private final BorrowListMapper borrowListMapper;

    @Override
    public Map<String,Object> queryAll(BorrowListQueryCriteria criteria, Pageable pageable){
        Page<BorrowList> page = borrowListRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(borrowListMapper::toDto));
    }

    @Override
    public List<BorrowListDto> queryAll(BorrowListQueryCriteria criteria){
        return borrowListMapper.toDto(borrowListRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public BorrowListDto findById(Integer borrowListId) {
        BorrowList borrowList = borrowListRepository.findById(borrowListId).orElseGet(BorrowList::new);
        ValidationUtil.isNull(borrowList.getBorrowListId(),"BorrowList","borrowListId",borrowListId);
        return borrowListMapper.toDto(borrowList);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public BorrowListDto create(BorrowList resources) {
        return borrowListMapper.toDto(borrowListRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(BorrowList resources) {
        BorrowList borrowList = borrowListRepository.findById(resources.getBorrowListId()).orElseGet(BorrowList::new);
        ValidationUtil.isNull( borrowList.getBorrowListId(),"BorrowList","id",resources.getBorrowListId());
        borrowList.copy(resources);
        borrowListRepository.save(borrowList);
    }

    @Override
    public void deleteAll(Integer[] ids) {
        for (Integer borrowListId : ids) {
            borrowListRepository.deleteById(borrowListId);
        }
    }

    @Override
    public void download(List<BorrowListDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (BorrowListDto borrowList : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("真实图书编号 ", borrowList.getRealBookId());
            map.put("借书时间 ", borrowList.getBorrowTime());
            map.put("0:未还 1:已还 ", borrowList.getIsReturned());
            map.put("读者点击确定要还书 0:未点击 1:已点击 ", borrowList.getSureReturn());
            map.put("读者编号 ", borrowList.getReaderId());
            map.put("需要规归还的时间 ", borrowList.getNeedreturnTime());
            map.put("可以续借0 不可以续借1 ", borrowList.getType());
            map.put("借书方式:0自提 1:快递 2:面对面 ", borrowList.getReturnLibraryMode());
            map.put("是否启用 1启用 0未启用", borrowList.getIsEnable());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}